/* Verifies that mapping over the stack segment is disallowed. */

#include <stdint.h>
#include <round.h>
#include <syscall.h>
#include "tests/lib.h"
#include "tests/main.h"

void
test_main(void) {
    int handle;
    uintptr_t handle_page = ROUND_DOWN((uintptr_t) & handle, 4096);

    CHECK((handle = open("sample.txt")) > 1, "open \"sample.txt\"");
    CHECK(mmap(handle, (void *) handle_page) == MAP_FAILED,
          "try to mmap over stack segment");
}

